|ROLLERS: 2-1/2" x 14 ga. steel tubing, model 254S, with smooth swaged ends.
FRAMES: 4" at 5.4 lbs. structural
steel painted channel.
ROLLER CAPACITY: 290 lbs. per roller.
AXLES: 7/16" hex shaft, spring loaded.
||BEARINGS: Integral plain ball bearings, zinc plated, grease packed.
COUPLINGS: Butt type.
FRAME CAPACITY: 3750 lbs. maximum distributed live load per 10' section with supports at 10' centers; 8000 lbs. at 5' centers.